Tire tread and buttress



FIG. 1 is a perspective view of a tire tread and buttress showing our new design it being understood that the tread pattern is repeated throughout the circumference of the tire, the opposite side being substantially the same as that shown;

FIG. 2 is a front plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an enlarged fragmentary front plan view thereof;

FIG. 5 is a perspective view of a tire tread and buttress showing a second embodiment of our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread and buttress, the opposite side being substantially the same as that shown;

FIG. 6 is a front plan view of the tire of FIG. 5;

FIG. 7 is a side elevational view of the tire of FIG. 5; and

FIG. 8 is an enlarged fragmentary front plan view of the tire of FIG. 5.

The broken lines in the drawing are understood to be for illustrative purposes only. 

The ornamental design for a tire tread and buttress, as shown and described. 